CN208021114U - A kind of wheel telescopic device of perambulator - Google Patents
A kind of wheel telescopic device of perambulator Download PDFInfo
- Publication number
- CN208021114U CN208021114U CN201820315099.8U CN201820315099U CN208021114U CN 208021114 U CN208021114 U CN 208021114U CN 201820315099 U CN201820315099 U CN 201820315099U CN 208021114 U CN208021114 U CN 208021114U
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- wheel
- shaft
- movable axis
- annular slab
- telescopic device
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Abstract
The utility model belongs to telescopic device technical field,The wheel telescopic device of specially a kind of perambulator,Including metallic plate and connecting rod,Connecting rod is set in the middle part of metallic plate,And metallic plate is welded with connecting rod,Four corner of metallic plate is connected with bolt,And connecting rod front is fixedly connected with connecting shaft,The interlocking of connecting shaft left and right ends has main movable axis,And driving shaft right end is fixedly connected with annular slab,The annular slab rightmost side is closely connected with rotation shaft of wheel,And it is welded with wheel bearing on the outside of rotation shaft of wheel,Wheel bearing side wall is socketed with carcass,The wheel telescopic device of this kind of perambulator,Based on traditional wheel design,Compared to the simple vapour-pressure type shock-damping structure of conventional wheel,Use the elastic shock attenuation formed by annular slab and primary and secondary axis,Though its damping effectiveness of spring shaft is with elasticity not as good as filled type air pressure,But avoid occur because of wheel group it is small but since pneumatic floating is according to shaking big problem at car body by reaction force when gentle ground is advanced.
Description
Technical field
The utility model belongs to telescopic device technical field, the wheel telescopic device of specially a kind of perambulator.
Background technology
Perambulator be it is one main kind of among toy for children, including child's bicycle, children trolley, baby walker,
Child's tricycle electric children toy vehicle, as population increases, perambulator demand also slowly increases, to be supplied to children better
It takes enjoyment and convenience, users is also increasingly stringenter perambulator functional requirement.
Wheel moves critical piece as perambulator, and whole comfort and vibrations etc. are directly by wheel group when perambulator is advanced
It influences, but existing wheel assembly, in practical application because considering that perambulator portability, selection are mostly rigidity light material on the weak side
Matter, wheel wheel bearing and wheel and ground contact surface serious wear after prolonged use, and existing wheel mostly uses simply
Vapour-pressure type shock-damping structure, the when of advancing from wheel group, is weakened by inner gas pressure variation and generates vibrations, but this kind of shock-damping structure is put down
Perambulator car body can be made gentle jitter phenomenon up and down, damping effect unobvious occur when often vibrations stress is too small, and tradition is virgin
Vehicle wheel assembly is mostly fixed structure, can not stretching wheel group change the use demand of car body volume and functionalization.
Utility model content
The purpose of this utility model is to provide a kind of wheel telescopic devices of perambulator, to solve to carry in above-mentioned background technology
Shock-damping structure design can not be suitable for ground traveling and the wheel group of situation complexity to the present wheel assembly gone out in actual use
The relatively low problem of applicability can not be reduced for fixed structure.
To achieve the above object, the utility model provides the following technical solutions：A kind of wheel telescopic device of perambulator, including
Metallic plate and connecting rod, the connecting rod are set in the middle part of metallic plate, and the metallic plate is welded with connecting rod, the metallic plate
Four corners are connected with bolt, and connecting rod front is fixedly connected with connecting shaft, and the connecting shaft left and right ends interlocking has master
Movable axis, and driving shaft right end is fixedly connected with annular slab, the annular slab rightmost side is closely connected with rotation shaft of wheel, and wheel
It is welded with wheel bearing on the outside of shaft, the wheel bearing side wall is socketed with carcass, and connecting shaft internal recessing is provided with air drain, institute
It states insertion in the middle part of air drain and is provided with time movable axis, and be provided with fixture block in the middle part of secondary movable axis, be socketed on the outside of the secondary movable axis
Embedded disk, and annular slab right end is connected with axis nut, interlocking has main shaft in the middle part of the annular slab, and main shaft upper and lower ends are tight
It is close to be connected with secondary axes, spring shaft is provided on the inside of the main shaft, and secondary axes left end is filled with elastic colloid buffer.
Preferably, the fixture block is socketed in the middle part of time movable axis, and the fixture block is flexibly connected with time movable axis, and institute
Fixture block is stated closely to connect with air drain.
Preferably, the quantity of the secondary movable axis is two, and the secondary movable axis is fixedly connected with main movable axis 8, and
And the secondary movable axis is connected in air drain inner wall.
Preferably, the spring shaft is in " helical form ", and the spring shaft is in opening and closing state, the spring shaft insertion setting
On the inside of main shaft, and the spring shaft is fixedly connected with annular slab.
Preferably, the quantity of the secondary axes is four, and the secondary axes are connected in annular slab inner wall.
Preferably, the elastic colloid buffer has high resiliency, and elastic colloid buffer insertion setting
In annular slab and time shaft connection place, and the elastic colloid buffer is closely connect with annular slab.
Compared with prior art, the utility model has the beneficial effects that：The wheel telescopic device of this kind of perambulator, based on tradition
Wheel design use the elasticity formed by annular slab and primary and secondary axis compared to the simple vapour-pressure type shock-damping structure of conventional wheel
Damping, though its damping effectiveness of spring shaft and the too late filled type air pressure of elasticity, avoid appearance because wheel group is in gentle ground row
Into when it is small but since pneumatic floating is according to shaking big problem at car body by reaction force, and during both ends annular slab is shunk
The rigidity that can ensure elastic shock attenuation structure by the rigid structure that secondary axes are combined with elastic colloid buffer, to make shock-damping structure
Critical value rises, and ensures the damping effect and practicability of shock-damping structure, while comparing traditional fixing vehicle wheel structure, this kind of wheel
Telescopic device can complete the flexible of both ends wheel by main movable axis and contraction of time movable axis in connecting shaft air drain, and in mistake
The flexible section of movable axis is limited by fixture block in journey, ensures that wheel contraction structure does not interfere with the traveling of car body normal rotation, and should
Kind Telescopic can facilitate perambulator to reduce volume to carry, and improve whole portability and applicability.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the internal structure schematic diagram of the utility model connecting shaft；
Fig. 3 is the partial structural diagram of the utility model annular slab.
In figure：1- metallic plates；2- connecting rods；3- bolts；4- wheel bearings；5- carcasses；6- annular slabs；7- connecting shafts；8-
Main movable axis；9- rotation shaft of wheel；10- air drains；11- fixture blocks；12- embeds disk；13- movable axis；14- axis nuts；15- main shafts；
16- spring shafts；17- secondary axes；18- elastic colloid buffers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of wheel telescopic device of perambulator, including gold
Belong to plate 1 and connecting rod 2, the connecting rod 2 is set to 1 middle part of metallic plate, and the metallic plate 1 is welded with connecting rod 2, the gold
Belong to 1 four corner of plate and be connected with bolt 3, and 2 front of connecting rod is fixedly connected with connecting shaft 7,7 left and right ends of the connecting shaft
Interlocking has main movable axis 8, and 8 right end of driving shaft is fixedly connected with annular slab 6, and 6 rightmost side of the annular slab is closely connected with vehicle
Shaft 9 is taken turns, and 9 outside of rotation shaft of wheel is welded with wheel bearing 4,4 side wall of the wheel bearing is socketed with carcass 5, and connecting shaft 7
Internal recessing is provided with air drain 10, and 10 middle part of the air drain is embedded to be provided with time movable axis 13, and 13 middle part of secondary movable axis is provided with
Fixture block 11,13 outside of the secondary movable axis is socketed with embedded disk 12, and 6 right end of annular slab is connected with axis nut 14, described
6 middle part interlocking of annular slab has main shaft 15, and 15 upper and lower ends of main shaft are closely connected with secondary axes 17, and 15 inside of the main shaft is provided with
Spring shaft 16, and 17 left end of secondary axes is filled with elastic colloid buffer 18；Fixture block 11 is socketed on 13 middle part of time movable axis, and described
Fixture block 11 is flexibly connected with time movable axis 13, and the fixture block 11 is closely connect with air drain 10；The quantity of secondary movable axis 13 is
Two, and the secondary movable axis 13 is fixedly connected with main movable axis 8, and the secondary movable axis 13 is connected in 10 inner wall of air drain；
Spring shaft 16 is in " helical form ", and the spring shaft 16 is in opening and closing state, and the insertion of the spring shaft 16 is set to 15 inside of main shaft,
And the spring shaft 16 is fixedly connected with annular slab 6；The quantity of secondary axes 17 is four, and the secondary axes 17 are connected in annular slab 6
Inner wall；Elastic colloid buffer 18 have high resiliency, and the elastic colloid buffer 18 insertion be set to annular slab 6 with
17 junction of secondary axes, and the elastic colloid buffer 18 is closely connect with annular slab 6.
Operation principle：Metallic plate 1 is connect and is led to perambulator body construction by the wheel telescopic device of this kind of perambulator, when installation
The fixation of bolt 3 is crossed, in actual use, is rotated around wheel bearing 4 by carcass 5 and realizes that car body is advanced, and pass through two in the process
Hold annular slab 6 along the contraction of main shaft 15 and the inner spring axis 16 of secondary axes 17 to weaken the anti-work that carcass 5 generates when being contacted with ground
Firmly, to reach damping effect, wheel assembly can also be by compressing main movable axis 8, to which both ends in connecting shaft 7 time are movable
The flexible of wheel assembly is realized in axis compression in air drain 10, and places restrictions on stretching for both ends time movable axis 13 by fixture block 11 in the process
Contracting scope of activities.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of wheel telescopic device of perambulator, including metallic plate（1）And connecting rod（2）, the connecting rod（2）It is set to metal
Plate（1）Middle part, and the metallic plate（1）With connecting rod（2）Welding, it is characterised in that：The metallic plate（1）Four corner activities connect
It is connected to bolt（3）, and connecting rod（2）Front is fixedly connected with connecting shaft（7）, the connecting shaft（7）Left and right ends interlocking has master
Movable axis（8）, and driving shaft（8）Right end is fixedly connected with annular slab（6）, the annular slab（6）The rightmost side is closely connected with vehicle
Take turns shaft（9）, and rotation shaft of wheel（9）Outside is welded with wheel bearing（4）, the wheel bearing（4）Side wall is socketed with carcass
（5）, and connecting shaft（7）Internal recessing is provided with air drain（10）, the air drain（10）Middle part insertion is provided with time movable axis（13）, and
Secondary movable axis（13）Middle part is provided with fixture block（11）, the secondary movable axis（13）Outside is socketed with embedded disk（12）, and annular slab
（6）Right end is connected with axis nut（14）, the annular slab（6）Middle part interlocking has main shaft（15）, and main shaft（15）Upper and lower two
End is closely connected with secondary axes（17）, the main shaft（15）Inside is provided with spring shaft（16）, and secondary axes（17）Left end is filled with bullet
Property colloidal damper（18）.
2. a kind of wheel telescopic device of perambulator according to claim 1, it is characterised in that：The fixture block（11）It is socketed on
Secondary movable axis（13）Middle part, and the fixture block（11）With secondary movable axis（13）Flexible connection, and the fixture block（11）With air drain
（10）Close connection.
3. a kind of wheel telescopic device of perambulator according to claim 1, it is characterised in that：The secondary movable axis（13）'s
Quantity is two, and the secondary movable axis（13）With main movable axis（8）It is fixedly connected, and the secondary movable axis（13）It is connected in
Air drain（10）Inner wall.
4. a kind of wheel telescopic device of perambulator according to claim 1, it is characterised in that：The spring shaft（16）It is in
" helical form ", and the spring shaft（16）In opening and closing state, the spring shaft（16）Insertion is set to main shaft（15）Inside, and institute
State spring shaft（16）With annular slab（6）It is fixedly connected.
5. a kind of wheel telescopic device of perambulator according to claim 1, it is characterised in that：The secondary axes（17）Quantity
It it is four, and the secondary axes（17）It is connected in annular slab（6）Inner wall.
6. a kind of wheel telescopic device of perambulator according to claim 1, it is characterised in that：The elastic colloid buffer
（18）With high resiliency, and the elastic colloid buffer（18）Insertion is set to annular slab（6）With secondary axes（17）Connection
Place, and the elastic colloid buffer（18）With annular slab（6）Close connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820315099.8U CN208021114U (en) | 2018-03-07 | 2018-03-07 | A kind of wheel telescopic device of perambulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820315099.8U CN208021114U (en) | 2018-03-07 | 2018-03-07 | A kind of wheel telescopic device of perambulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208021114U true CN208021114U (en) | 2018-10-30 |
Family
ID=63905484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820315099.8U Expired - Fee Related CN208021114U (en) | 2018-03-07 | 2018-03-07 | A kind of wheel telescopic device of perambulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208021114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382132A (en) * | 2018-03-07 | 2018-08-10 | 平湖健儿达儿童用品有限公司 | A kind of wheel telescopic device of perambulator |
-
2018
- 2018-03-07 CN CN201820315099.8U patent/CN208021114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382132A (en) * | 2018-03-07 | 2018-08-10 | 平湖健儿达儿童用品有限公司 | A kind of wheel telescopic device of perambulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181030 |